/* Mêmes jetons et même nav/footer que la landing (index.html), qui embarque ses polices en base64 ; ici elles sont servies en fichiers. */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url(fonts/inter.woff2) format('woff2');
}
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 500 700;
  font-display: swap;
  src: url(fonts/space-grotesk.woff2) format('woff2');
}

:root {
  --navy: #171c8f;
  --navy-dark: #10156b;
  --navy-050: #eef0fa;
  --navy-100: #dfe3f7;
  --navy-text-soft: #c3c9f0;
  --ink-900: #14161f;
  --ink-600: #454b61;
  --ink-500: #5a6078;
  --line: #e6e8f2;
  --ice: #f5f6fc;
  --paper: #fdfdfe;
  --radius: 12px;
  --font-display: "Space Grotesk", -apple-system, sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: var(--font-body);
  color: var(--ink-900);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  font-size: 16.5px;
  min-height: 100vh; display: flex; flex-direction: column;
}
main { flex: 1; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 32px; }
@media (max-width: 700px) { .wrap { padding: 0 16px; } }
h1, h2, h3 { font-family: var(--font-display); letter-spacing: -0.02em; line-height: 1.12; }
.lead { font-size: 18px; color: var(--ink-600); max-width: 62ch; }

.btn {
  display: inline-block;
  font-size: 16px; font-weight: 600;
  color: #fefefe; background: var(--navy);
  padding: 15px 30px; border-radius: 10px;
  text-decoration: none; white-space: nowrap;
  transition: background 0.18s ease;
}
.btn:hover { background: var(--navy-dark); }
.btn.small { font-size: 14.5px; padding: 10px 20px; }

/* Nav */
nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(253,253,254,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo svg { display: block; }
.logo span { font-family: var(--font-display); font-size: 13px; font-weight: 700; letter-spacing: 0.1em; color: var(--navy); }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a:not(.btn) {
  font-size: 15px; font-weight: 500; color: var(--ink-600); text-decoration: none;
  padding: 8px 14px;
  background-repeat: no-repeat; background-size: 100% 78%; background-position: 0 50%;
}
.nav-links a.nav-pulse { display: inline-flex; align-items: center; gap: 8px; }
.pulse-mark { display: inline-flex; align-items: center; justify-content: center; width: 24px; height: 24px; border-radius: 6px; background: var(--navy-050); }
.pulse-mark path { fill: none; stroke: var(--navy); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.nav-links a:not(.btn):hover, .nav-links a.active {
  color: var(--navy);
  background-image: linear-gradient(100deg, transparent 2%, var(--navy-100) 8%, var(--navy-100) 92%, transparent 98%);
}
.nav-links .btn { margin-left: 18px; }
@media (max-width: 700px) {
  .logo span { display: none; }
  .nav-links .btn { margin-left: 6px; }
  .nav-links a:not(.btn) { padding: 8px; }
  .nav-links .btn.small { padding: 10px 14px; }
}
@media (max-width: 380px) { .nav-links a.nav-pulse .pulse-mark { display: none; } }

/* Liste */
.intro { padding-top: 72px; padding-bottom: 40px; }
.intro .rss { color: var(--navy); white-space: nowrap; }
.intro h1 { font-size: clamp(36px, 4.4vw, 52px); margin-bottom: 16px; }
.list { list-style: none; padding-bottom: 96px; }
.list li { max-width: 820px; border-top: 1px solid var(--line); }
.list a { display: block; padding: 28px 0; text-decoration: none; color: inherit; }
.list h2 { font-size: 24px; margin: 8px 0 8px; }
.list a:hover h2 { color: var(--navy); }
.list p:not(.meta) { color: var(--ink-600); max-width: 64ch; }
.list .empty { padding: 28px 0; color: var(--ink-500); }

.meta { display: flex; align-items: center; gap: 12px; font-size: 13.5px; color: var(--ink-500); }
.tag {
  font-family: var(--font-display); font-weight: 700; font-size: 12px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--navy); background: var(--navy-050);
  padding: 3px 9px; border-radius: 6px;
}

/* Article */
.post { max-width: 760px; padding-top: 48px; padding-bottom: 64px; }
.back { display: inline-block; font-size: 14px; color: var(--ink-500); text-decoration: none; margin-bottom: 40px; }
.back:hover { color: var(--navy); }
.post h1 { font-size: clamp(32px, 4vw, 46px); margin: 14px 0 18px; }
.post .lead { margin-bottom: 40px; padding-bottom: 32px; border-bottom: 1px solid var(--line); }

.prose { font-size: 17px; line-height: 1.75; }
.prose > * + * { margin-top: 1.1em; }
.prose h2 { font-size: 26px; margin-top: 2em; }
.prose h3 { font-size: 20px; margin-top: 1.6em; }
.prose a { color: var(--navy); }
.prose ul, .prose ol { padding-left: 1.4em; }
.prose li + li { margin-top: 0.35em; }
.prose blockquote { border-left: 3px solid var(--navy-text-soft); padding-left: 18px; color: var(--ink-600); }
.prose img { display: block; max-width: 100%; height: auto; border: 1px solid var(--line); border-radius: var(--radius); }
.prose code { font-size: 0.9em; background: var(--ice); padding: 2px 5px; border-radius: 4px; }
.prose pre { background: var(--ice); padding: 16px 18px; border-radius: var(--radius); overflow-x: auto; }
.prose pre code { background: none; padding: 0; }
.prose table { width: 100%; border-collapse: collapse; font-size: 15.5px; display: block; overflow-x: auto; }
.prose th, .prose td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--line); }
.prose hr { border: none; border-top: 1px solid var(--line); margin: 2.4em 0; }

.post-cta { max-width: 760px; }
.cta {
  position: relative; overflow: hidden;
  margin-bottom: 96px;
  display: flex; align-items: center; justify-content: space-between; gap: 20px 32px; flex-wrap: wrap;
  background: var(--navy); color: #fefefe; border-radius: 16px; padding: 24px;
}
.cta > * { position: relative; }
.cta > div { flex: 1 1 320px; }
.cta-pulse { position: absolute; right: -24px; bottom: 0; width: 320px; height: 112px; color: rgba(255,255,255,0.1); pointer-events: none; }
.cta-eyebrow { display: flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: rgba(255,255,255,0.7); }
.cta-title { margin-top: 8px; font-family: var(--font-display); font-size: 18px; font-weight: 600; line-height: 1.35; }
.cta-text { margin-top: 6px; font-size: 14px; color: rgba(255,255,255,0.8); }
.cta-btn {
  flex-shrink: 0; font-size: 14.5px; font-weight: 600; white-space: nowrap;
  color: var(--navy); background: #fff; padding: 10px 18px; border-radius: 10px; text-decoration: none;
}
.cta-btn:hover { background: rgba(255,255,255,0.9); }

/* Footer */
footer { border-top: 1px solid var(--line); background: var(--ice); padding: 36px 0; }
.footer-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  font-size: 13.5px; color: var(--ink-500);
}
.footer-inner .logo span { font-size: 11px; display: inline; }
.footer-links { display: flex; gap: 12px 22px; flex-wrap: wrap; }
.footer-links a { color: var(--ink-600); text-decoration: none; }
.footer-links a:hover { color: var(--navy); }